title: Retraction: Exercise-induced alterations in serum myeloperoxidase in Standardbreds.
authors.affiliation: Equine Clinic, Faculty of Veterinary Medicine, Freie Universitat Berlin, Berlin, Germany.
authors.forename: Katrin
authors.initials: K
authors.lastname: Haberkamp
authors.affiliation: Institute of Veterinary Biochemistry, Faculty of Veterinary Medicine, Freie Universitat Berlin, Berlin, Germany.
authors.forename: Angelika
authors.initials: A
authors.lastname: Bondzio
authors.affiliation: Institute for Biometrics and Data Processing, Faculty of Veterinary Medicine, Freie Universitat Berlin, Berlin, Germany.
authors.forename: Gisela
authors.initials: G
authors.lastname: Arndt
authors.affiliation: Institute of Veterinary Biochemistry, Faculty of Veterinary Medicine, Freie Universitat Berlin, Berlin, Germany.
authors.forename: Ralf
authors.initials: R
authors.lastname: Einspanier
authors.affiliation: Equine Clinic, Faculty of Veterinary Medicine, Freie Universitat Berlin, Berlin, Germany.|Department for Large Animal Diseases, Faculty of Veterinary Medicine, Warsaw University of Life Sciences, Warsaw, Poland.
authors.forename: Bianca
authors.initials: B
authors.lastname: Carstanjen